Ralph Paßgang wrote: >Am Donnerstag 02 September 2004 15:18 schrieb Mark Janssen: > > >>On Thu, 2004-09-02 at 13:43, Gavin Hamill wrote: >> >> >>>Hello - just a quickie :) >>> >>>If I construct a RAID1 with two 200GB disks, will I be able to add a >>>third disk and convert the whole set to a 400GB RAID5 later on by >>>logically removing the second disk from the RAID1 set? >>> >>> >>Nope... migrating to a different raid configuration wipes your disks >>So you'll have to backup, migrate and restore. >> >> > >Yes, but you can make something like this: > >remove one drive from the raid-1. You get an dregraded, but normal working >raid1 array. > >create a new raid5 for three disks, but you add only two disks to the raid5. >So you are building a dirty raid array, but this should works. (never tested >it myself with a raid5, only with a raid1) > >Now you can copy the data from your degraded raid1 to your new raid5. > >After that is done you can delete the old raid1 completly and add the now free >disk to the raid5... > >But be carefull, if you make something wrong you can loose all data, so making >a backup is of course the better and the secure way. > >--Ralph > > > > I've actually done this exact thing before and it worked flawlessly.
Dave -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
